1,4-二甲基-9H-吡啶并[4,3-b]吲哚-3-胺 、
O6-benzyl-8-bromo-3',5'-O-bis(tert-butyldimethylsilyl)-N2-dimethoxytrityl-2'-deoxyguanosine 在
tris-(dibenzylideneacetone)dipalladium(0) 、
caesium carbonate 、
4,5-双二苯基膦-9,9-二甲基氧杂蒽 作用下,
以
甲苯 为溶剂,
以69%的产率得到6-Benzyloxy-N
2-[bis-(4-methoxy-phenyl)-phenyl-methyl]-9-[(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-N
8-(1,4-dimethyl-5H-pyrido[4,3-b]indol-3-yl)-9H-purine-2,8-diamine